<template>
  <div class="vue-cont">
    <mt-header fixed title="彩虹公众平台">
		<span slot="left" @click="back" v-show="flag">
			<mt-button icon="back">返回</mt-button>
		</span>
	</mt-header>

				<transition>
						<router-view></router-view>
				</transition>
			
				
    <nav class="mui-bar mui-bar-tab">
			<router-link  to="/Home" class="mui-tab-item-llb" href="#tabbar">
				<span class="mui-icon mui-icon-home"></span>
				<span class="mui-tab-label">首页</span>
			</router-link>
			<router-link  to="/member" class="mui-tab-item-llb" href="#tabbar-with-chat">
				<span class="mui-icon mui-icon-contact"></span>
				<span class="mui-tab-label">会员</span>
			</router-link>
			<router-link  to="/shopcar" class="mui-tab-item-llb" href="#tabbar-with-contact">
				<span class="mui-icon mui-icon-extra mui-icon-extra-cart"><span class="mui-badge" id="badge">{{ $store.getters.getAllCount }}</span></span>
				<span class="mui-tab-label">购物车</span>
			</router-link>
			<router-link  to="/search" class="mui-tab-item-llb" href="#tabbar-with-map">
				<span class="mui-icon mui-icon-search"></span>
				<span class="mui-tab-label">搜索</span>
			</router-link>
			
		</nav>
  </div>
</template>

<script>
export default {
	data: function(){
		return {
			flag: false
		}
	},
	created: function(){
		// console.log(this.$route.path)
		//页面一加载就判断当前路径是否是首页，如果是首页就不显示返回按钮，如果不是首页就显示返回按钮
		this.$route.path === '/Home'? this.flag = false : this.flag = true
	},
	methods: {
		back: function(){
			this.$router.go(-1)
		}
	},
	watch: {
		//监听地址改变，当地址改变时就判断是不是首页地址，如果是就不显示返回按钮，如果不是就显示返回按钮
		'$route.path': function(newVal){
			// console.log(newVal)
			if(newVal === '/Home'){
				this.flag= false
			}else{
				this.flag= true
			}
		}
	}
}
</script>


<style lang="scss" scoped>
	.mint-header{
		z-index: 99;
	}
  .vue-cont {
      padding-top: 40px;
			//解决切换页面滑动的时候出现滚动条的问题
			overflow-x: hidden;
			 padding-bottom: 50px;
			
  }

	.v-enter {
		// opacity: 0;
		transform: translateX(100%);
	}
		.v-leave-to {
			// opacity: 0;
			transform: translateX(-100%);
			//解决切换页面滑动的时候出现页面向下跳一下，再向上的问题
			position: absolute;
	}
	.v-enter-active , .v-leave-active {
		transition: all 0.5s ease;
	}

// 该类名，解决 tabbar 点击无法切换的问题
.mui-bar-tab .mui-tab-item-llb.mui-active {
    color: #007aff;
}

.mui-bar-tab .mui-tab-item-llb {
    display: table-cell;
    overflow: hidden;
    width: 1%;
    height: 50px;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: #929292;
}

.mui-bar-tab .mui-tab-item-llb .mui-icon {
    top: 3px;
    width: 24px;
    height: 24px;
    padding-top: 0;
    padding-bottom: 0;
}

.mui-bar-tab .mui-tab-item-llb .mui-icon~.mui-tab-label {
    font-size: 11px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
}
</style>
